Home / 156,145.26-234,182.86-71,824.44

Finding the Fourth Proportional to 156,145.26, 234,182.86 and 71,824.44

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Solution

The fourth proportional to 156,145.26, 234,182.86 and 71,824.44 is: 107,720.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,145.26 : 234,182.86 = 71,824.44 : x
  2. Step 2: Convert to fraction form
    156,145.26/234,182.86 = 71,824.44/x
  3. Step 3: Cross multiply
    156,145.26x = 234,182.86 × 71,824.44
  4. Step 4: Simplify right side
    156,145.26x = 16,820,053,475.72
  5. Step 5: Solve for x
    x = 16,820,053,475.72/156,145.26
  6. Step 6: Final answer
    x = 107,720.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.